You've heard of the pet rock? Russian intelligence is accusing the British of using one to spy on them, according to the BBC. The article has a fun Q&A format, with answers like this:
from what we know it appears that those who allegedly stole the confidential information walked close to the rock and then uploaded data to the device beneath it. Later, others came and downloaded the data and walked off with it
"Sir, can I help you?"
"No, thanks, just taking my pet rock for a walk."
Update: the Russians reportedly claim the rock cost "several tens of millions of dollars" to develop. Funny.